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3580933
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Information
Patent Grant
3580933
References
Source
Patent Number
3,580,933
Date Filed
Not available
Date Issued
Tuesday, May 25, 1971
53 years ago
CPC
C09B1/306 - only sulfonated in a substituent
D06P1/40 - using acid dyes without azo groups
D06P3/16 - using acid dyes
D06P3/241 - using acid dyes
US Classifications
552 - Organic compounds
008 - Bleaching and dyeing
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